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Physics: Compression of column; constant of a spring1. A 4.8-m-tall, 30-cm-diameter concrete column supports a 5.0Ã?105 kg load. By how much is the column compressed?
2. One end of a spring is attached to a wall. A 30 N pull on the other end causes the spring to stretch by 3.0 cm. What is the spring constant?
What is the magnetic field strength
How long does this pendulum take for one oscillation? Presume that all displacement angles are small.
A person exerts a horizontal force of F = 190 N in the test apparatus. (h of arm = 0.34 m. And h of flexor muscle= .054 m) Find the horizontal force M that his flexor muscle exerts on his fore arm.
A flea jumps straight up to a maximum height of 0.470 m. What is its initial velocity v_0 as it leaves the ground.
Find out the tension of the right and left wire
suppose the specific heats of milk and coffe are the same as that of water, and neblect the specific heat of the container.
When you submerge a 1 kg gold statue into the water and measure the volume of displaced water, show that, for pure gold, the volume of water displaced will be 51.8 cm^3.
A student removes a 10.50 kg stereo from a shelf that is 1.802 m high. The amplifier is lowered at a constant speed to a height of 0.75 m. What is the work done by a) person and b) gravitational force that acts on the amplifier.
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
Write down an energy transformation equation
A car of mass M = 1200 kg traveling at 45.0 km/hour enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction between the road and the car's tires.
As you ride your 14-kg bicycle on level ground you do some work against a 30N force of air resistance if your mass is 65-kg.What is power you apply to maintain a velocity of 25-km`.a-on level ground b-going up a 5degrees slope?(remember it's a num..
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